Breadcrumb Home > Dictionary > Index R ridiculous: Meaning and Definition of Find definitions for: ri•dic•u•lous Pronunciation: (ri-dik'yu-lus), [key] — adj. causing or worthy of ridicule or derision; absurd; preposterous; laughable: a ridiculous plan. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ridiculous (Thesaurus) ridicule riding TrendingHere are the facts and trivia that people are buzzing about. Biographies: Notable Jewish Religious Leaders Current Events This Week: September 2023 Hispanic Population and the 2010 U.S. Census Preamble of the United Nations Charter The Jewish Calendar ✖ Related Content Daily Word Quiz: parallax Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language